Oknoname 113067 Reservoir Report

Last Updated: December 6, 2025

Oknoname 113067 is a privately owned earth dam located in Skiatook, Oklahoma, with a primary purpose classified as "Other." The dam stands at a height of 20 feet and has a hydraulic height of 16 feet, with a length of 450 feet and a storage capacity of 150 acre-feet.


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Summary

It is regulated by the Oklahoma Water Resources Board and has been inspected regularly, with a low hazard potential and a very high risk assessment rating.

The dam, situated on the TR-Turkey Creek, is under the jurisdiction of the Tulsa District of the US Army Corps of Engineers. It features a controlled spillway and is equipped with a single valve outlet gate. Despite not being federally owned, the dam has met state permitting, inspection, and enforcement requirements. The last inspection was conducted in November 2001, with a scheduled inspection frequency of 5 years.

Water resource and climate enthusiasts will find Oknoname 113067 to be an intriguing case study in dam infrastructure management. With its unique design and purpose, the dam presents a blend of private ownership and state regulation, showcasing the importance of maintaining and assessing dam structures for potential risks and hazards. As the dam continues to be monitored and evaluated, its role in water resource management in Osage County, Oklahoma, remains vital to the surrounding community and ecosystem.

Dam Length

450

Dam Height

20

River Or Stream

TR-TURKEY CR

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

16

Nid Storage

150

Structural Height

20

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

20
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.